this derivation will be built:
  /nix/store/a549kqvfkgmd7ydgadkpsrbrk4kjh9ah-treefmt-check.drv
building '/nix/store/a549kqvfkgmd7ydgadkpsrbrk4kjh9ah-treefmt-check.drv'
treefmt-check> treefmt v2.6.0traversed 2138 files
treefmt-check> emitted 574 files for processing
treefmt-check> formatted 574 files (0 changed) in 3.437s

upload niks3: ok